EP0351259B2 - Appareil indicateur analogique à aiguille lumineuse et indication d'une valeur limite - Google Patents
Appareil indicateur analogique à aiguille lumineuse et indication d'une valeur limite Download PDFInfo
- Publication number
- EP0351259B2 EP0351259B2 EP19890401649 EP89401649A EP0351259B2 EP 0351259 B2 EP0351259 B2 EP 0351259B2 EP 19890401649 EP19890401649 EP 19890401649 EP 89401649 A EP89401649 A EP 89401649A EP 0351259 B2 EP0351259 B2 EP 0351259B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- light source
- needle
- light
- luminous
- dial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005286 illumination Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 208000031968 Cadaver Diseases 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
- G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
Definitions
- the present invention relates to an apparatus analog type indicator comprising a dial and a luminous needle, indicating a size, of material transmitting light from a first source of light, and an integrated value indication device limit of magnitude including means for making vary the intensity and / or color of the lighting the luminous needle, these means comprising a second light source.
- the invention relates more particularly to a analog indicator mounted on the dashboard of a motor vehicle.
- This type of indicator commonly uses a luminous needle which moves opposite graduations, and / or other measurement indices, formed on the dial to indicate for example the speed of the vehicle or the engine speed.
- the light from the source luminous is guided towards the needle which is transparent or translucent to illuminate it.
- the dial may itself be transparent and the light rays are also guided towards the dial.
- the needle is lit and a light guide arranged coaxially, or substantially parallel, to the axis of linking of the needle, is provided to allow the illumination of the latter.
- Another solution to indicate that a limit value is reached consists of including the indication of the zone located above the limit value on the display of the dial, for example by means of a separate graphics.
- This solution has the disadvantage of being materialized a once and for all on the dial without the possibility of modifying subsequently the limit value chosen.
- DE-GM-17 49 888 describes an apparatus of this type in which the integrated device comprises means for making vary the intensity and / or color of the lighting the light switch, these means comprising a second light source.
- DE-C-904 127 describes a device for triggering an alarm by lighting two lamps, comprising neither dial or hand.
- the object of the invention is to propose an apparatus of the type described in DE-GM-17 49 888 in which the value limit can be changed based on a second parameter, for example a limit speed of movement of the vehicle according to the condition of the tires.
- the invention provides an apparatus of the type above, characterized in that the limit value is variable according to several parameters, for example the diet of a motor vehicle engine depending on the state of this or the maximum admissible speed of movement said vehicle as a function, for example, of the pressure of tires fitted to this vehicle or the condition of the pavement, and in that the indication that the value limit of the quantity indicated by the light needle is reached is provided by the ignition of the second source of light, this ignition being controlled independently of the needle position, by electronic circuit or by a captor.
- the limit value is variable according to several parameters, for example the diet of a motor vehicle engine depending on the state of this or the maximum admissible speed of movement said vehicle as a function, for example, of the pressure of tires fitted to this vehicle or the condition of the pavement, and in that the indication that the value limit of the quantity indicated by the light needle is reached is provided by the ignition of the second source of light, this ignition being controlled independently of the needle position, by electronic circuit or by a captor.
- an indicating device analog 10 consisting essentially of a dial 12 intended to be mounted on the switchboard aboard a motor vehicle and on which are drawn graduations 14 which, for example, indicate vehicle travel speed.
- the indicating device 10 comprises a needle luminous 16 which is mounted moving around a axis perpendicular to the dial 12 so that its end 18 moves opposite the graduations 14 as a function of the variation in vehicle speed.
- the base 20 of the needle extends to the underside dial 12 by a guide member light 22.
- the light guide 22 is a parallelepiped element whose end upper, not visible, is connected to the base 20 of the needle.
- a training device 24, shown diagrammatically on the figure, ensures the rotation of the needle luminous 16.
- This first lamp 26 is connected in a way known by means of a switch 30 at a source current 32 of the vehicle.
- the first light source 26 aims ensure white light illumination of the needle light 16 as soon as the vehicle is switched on automobile which has the effect of causing the closure of switch 30.
- a second light source 34 also arranged in opposite the base 28 of the light guide 22, but opposite the first light source 26.
- This second light source 34 can also be constituted by a lamp emitting white light and in front of which is located a color filter 36, for example red.
- the second lamp 34 can directly emit a red light.
- the second light source 34 is connected to the current source 32 by a second switch 38 whose closure is ordered, for example when a limit value of the analog quantity indicated by the light needle 16 is reached.
- the first light source 26 In normal operation, only the first light source 26 is energized. When the limit value of the quantity indicated by the needle light 16 exceeds a certain predetermined threshold, the second light source 34 is energized by means of switch 38. This has the effect cause the needle to change color bright 36.
- the control of the second switch 38 can be insured for example by means of any circuit electronic or suitable sensor to provide indication that a limit value of the quantity indicated by the light needle 16 is reached.
- the indicating device which has just been described is particularly suitable for indicating limit values variables according to several parameters, by example of the engine speed depending on the state of this or the maximum allowable speed of vehicle displacement which may vary depending many criteria such as pressure tires fitted to the vehicle or the condition of the pavement.
- the principle of the invention is also applicable in the case where the dial is also a dial lighted by a light source.
- the dial is also a dial lighted by a light source.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instrument Panels (AREA)
- Details Of Measuring Devices (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
- la second source de lumière est d'une couleur différente de celle de la première source de lumière;
- les moyens comportent un filtre de couleur amovible que l'on interpose sur le trajet de la lumière provenant de la première source de lumière lorsque la valeur limite est atteinte ;
- le corps de l'aiguille lumineuse est relié à l'extrémité d'un organe formant guide de lumière coaxial, ou sensiblement parallèle, à l'axe de rotation de l'aiguille tournante, la première source de lumière étant agencée à la base du guide de lumière ;
- dans le cas où les moyens comprennent une seconde source de lumière, cette demière est agencée à la base du guide de lumière à l'opposé de la première source de lumière ; et
- l'appareil est du type comportant un cadran éclairé relié à une source lumineuse, les moyens pour faire varier l'intensité et/ou la couleur de l'édairage de l'aiguille lumineuse modifiant simultanément l'intensité et/ou la couleur de la source lumineuse d'édairage du cadran.
Claims (6)
- Appareil indicateur analogique (10) du type comportant un cadran (12) et une aiguille lumineuse (16), indiquant une grandeur, en matériau transmettant la lumière provenant d'une première source de lumière (26), et un dispositif intégré d'indication d'une valeur limite de la grandeur comprenant des moyens (34,36) pour faire varier l'intensité et/ou la couleur de l'éclairage de l'aiguille lumineuse (16), ces moyens comprenant une seconde source de lumière (34), caractérisé en ce que la valeur limite est variable en fonction de plusieurs paramètres, par exemple le régime d'un moteur de véhicule automobile en fonction de l'état de celui-ci ou la vitesse maximum admissible de déplacement dudit véhicule en fonction, par exemple, de la pression de pneumatiques équipant ce véhicule ou de l'état de la chaussée, et en ce que l'indication selon laquelle la valeur limite de la grandeur indiquée par l'aiguille lumineuse est atteinte est fournie par l'allumage de la seconde source de lumière (34), cet allumage étant commandé indépendamment de la position de l'aiguille (16), par un circuit électronique ou par un capteur.
- Appareil indicateur selon la revendication 1 caractérisé en ce que la seconde source de lumière (34) est d'une couleur différente (36) de celle de la première source de lumière (26).
- Appareil indicateur selon la revendication 1 caractérisé en ce que lesdits moyens comportent un filtre de couleur amovible que l'on interpose sur le trajet de la lumière provenant de la première source de lumière lorsque la valeur limite est atteinte.
- Appareil indicateur selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de l'aiguille lumineuse (16) est relié à l'extrémité d'un organe (22) formant guide de lumière coaxial, ou sensiblement parallèle, à l'axe de rotation de l'aiguille toumante (16), la première source de lumière (26) étant agencée à la base (28) du guide de lumière (22).
- Appareil indicateur selon la revendication 4 prise en combinaison avec l'une des revendications 1 ou 2 caractérisé en ce que la seconde source de lumière (34) est agencée à la base (28) du guide de lumière (22) à l'opposé de la première source de lumière (26).
- Appareil indicateur selon l'une quelconque des revendications précédentes du type comportant un cadran éclairé relié à une source lumineuse, caractérisé en ce que lesdits moyens pour faire varier l'intensité et/ou la couleur de l'éclairage de l'aiguille lumineuse (16) modifient simultanément l'intensité et/ou la couleur de la source d'éclairage du cadran.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8809414A FR2634016B1 (fr) | 1988-07-11 | 1988-07-11 | Appareil indicateur analogique a aiguille lumineuse et indication d'une valeur limite |
| FR8809414 | 1988-07-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0351259A1 EP0351259A1 (fr) | 1990-01-17 |
| EP0351259B1 EP0351259B1 (fr) | 1992-09-02 |
| EP0351259B2 true EP0351259B2 (fr) | 1999-01-13 |
Family
ID=9368327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19890401649 Expired - Lifetime EP0351259B2 (fr) | 1988-07-11 | 1989-06-13 | Appareil indicateur analogique à aiguille lumineuse et indication d'une valeur limite |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0351259B2 (fr) |
| DE (1) | DE68902708T3 (fr) |
| FR (1) | FR2634016B1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005017666A1 (de) * | 2005-04-16 | 2006-10-26 | GM Global Technology Operations, Inc., Detroit | Beleuchtetes Anzeigeinstrument |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2670287B1 (fr) * | 1990-12-11 | 1995-09-08 | Jaeger | Indicateur analogique a aiguille lumineuse. |
| IT1259360B (it) * | 1992-03-26 | 1996-03-12 | Fiat Auto Spa | Quadro strumenti a variazione di colore e di intensita' luminosa |
| FR2699273B1 (fr) * | 1992-12-11 | 1995-03-03 | Jaeger | Dispositif indicateur à aiguille perfectionné. |
| EP0679871B1 (fr) * | 1993-08-06 | 1998-11-25 | Denso Corporation | Dispositif indicateur |
| JP3178304B2 (ja) * | 1994-11-11 | 2001-06-18 | 株式会社デンソー | 指針装置 |
| GB9511636D0 (en) * | 1995-06-08 | 1995-08-02 | Bacon Albert E | Speed awareness colour code system |
| DE19532427C1 (de) * | 1995-09-02 | 1996-11-21 | Daimler Benz Ag | Kobinationsanzeigeeinheit für ein Kraftfahrzeug |
| DE29624232U1 (de) * | 1996-04-24 | 2001-04-19 | Mannesmann VDO AG, 60388 Frankfurt | Beleuchtung für eine Anzeige |
| US6004001A (en) * | 1996-09-12 | 1999-12-21 | Vdo Adolf Schindling Ag | Illumination for a display |
| ITMI20030318U1 (it) * | 2003-07-09 | 2005-01-10 | Ecie Electric Components And Instru Ments Europ S | Dispositivo per la visualizzazione della misura di grandezze particola rmente per cruscotti di veicoli e simili |
| DE102004003908A1 (de) * | 2004-01-27 | 2005-08-18 | Adam Opel Ag | Zeigerinstrument |
| GB0409555D0 (en) * | 2004-04-29 | 2004-06-02 | Nissan Technical Ct Europ Ltd | Display apparatus |
| DE102009056259B4 (de) * | 2009-11-28 | 2019-05-16 | Festo Ag & Co. Kg | Messanordnung |
| DE102013012183A1 (de) * | 2013-04-05 | 2014-10-09 | Fmb Blickle Gmbh | Fluidtechnische Einrichtung mit verbesserter Erkennbarkeit von Prozessparametern |
| CN105333800A (zh) * | 2015-10-16 | 2016-02-17 | 上海鲍麦克斯电子科技有限公司 | 一种测试电机上停针位角度的装置及方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4257084A (en) * | 1979-02-21 | 1981-03-17 | Reynolds Christopher H | Display device |
| DE3215184A1 (de) * | 1982-04-23 | 1983-10-27 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Anzeigeeinrichtung, insbesondere fuer tachometer |
| JPS613010A (ja) * | 1984-06-16 | 1986-01-09 | Daihatsu Motor Co Ltd | 自動車用計器における表示の指示装置 |
| DE3503196C1 (de) * | 1985-01-31 | 1986-04-30 | Friedrich 7740 Triberg Göhringer | Anzeigevorrichtung fuer ein Messgeraet |
-
1988
- 1988-07-11 FR FR8809414A patent/FR2634016B1/fr not_active Expired - Fee Related
-
1989
- 1989-06-13 DE DE68902708T patent/DE68902708T3/de not_active Expired - Fee Related
- 1989-06-13 EP EP19890401649 patent/EP0351259B2/fr not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005017666A1 (de) * | 2005-04-16 | 2006-10-26 | GM Global Technology Operations, Inc., Detroit | Beleuchtetes Anzeigeinstrument |
Also Published As
| Publication number | Publication date |
|---|---|
| DE68902708T2 (de) | 1993-03-25 |
| EP0351259B1 (fr) | 1992-09-02 |
| DE68902708D1 (de) | 1992-10-08 |
| EP0351259A1 (fr) | 1990-01-17 |
| FR2634016B1 (fr) | 1992-12-11 |
| FR2634016A1 (fr) | 1990-01-12 |
| DE68902708T3 (de) | 1999-12-09 |
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